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comparison dwt/custom/DefaultContent.d @ 274:62a03a4c21c8

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sync StyledText with dwt-linux
author Frank Benoit <benoit@tionex.de>
date Sun, 03 Aug 2008 23:40:57 +0200
parents a63e2cd5485e
children
comparison
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273:8632408a70aa 274:62a03a4c21c8
19 import dwt.custom.StyledTextContent; 19 import dwt.custom.StyledTextContent;
20 import dwt.custom.TextChangeListener; 20 import dwt.custom.TextChangeListener;
21 import dwt.custom.StyledTextEvent; 21 import dwt.custom.StyledTextEvent;
22 import dwt.custom.StyledTextListener; 22 import dwt.custom.StyledTextListener;
23 import dwt.custom.StyledText; 23 import dwt.custom.StyledText;
24 import dwt.dwthelper.utils;
24 25
25 static import tango.io.model.IFile; 26 static import tango.io.model.IFile;
26 static import tango.text.Text; 27 static import tango.text.Text;
27 import dwt.dwthelper.utils;
28 28
29 alias tango.text.Text.Text!(char) StringBuffer; 29 alias tango.text.Text.Text!(char) StringBuffer;
30 30
31 class DefaultContent : StyledTextContent { 31 class DefaultContent : StyledTextContent {
32 private final static String LineDelimiter = tango.io.model.IFile.FileConst.NewlineString; 32 private final static String LineDelimiter = tango.io.model.IFile.FileConst.NewlineString;
33 33
34 StyledTextListener[] textListeners; // stores text listeners for event sending 34 StyledTextListener[] textListeners; // stores text listeners for event sending
35 String textStore; // stores the actual text 35 char[] textStore; // stores the actual text
36 int gapStart = -1; // the character position start of the gap 36 int gapStart = -1; // the character position start of the gap
37 int gapEnd = -1; // the character position after the end of the gap 37 int gapEnd = -1; // the character position after the end of the gap
38 int gapLine = -1; // the line on which the gap exists, the gap will always be associated with one line 38 int gapLine = -1; // the line on which the gap exists, the gap will always be associated with one line
39 int highWatermark = 300; 39 int highWatermark = 300;
40 int lowWatermark = 50; 40 int lowWatermark = 50;
732 /** 732 /**
733 * Removes the specified <code>TextChangeListener</code>. 733 * Removes the specified <code>TextChangeListener</code>.
734 * <p> 734 * <p>
735 * 735 *
736 * @param listener the listener which should no longer be notified 736 * @param listener the listener which should no longer be notified
737 * 737 *
738 * @exception IllegalArgumentException <ul> 738 * @exception IllegalArgumentException <ul>
739 * <li>ERROR_NULL_ARGUMENT when listener is null</li> 739 * <li>ERROR_NULL_ARGUMENT when listener is null</li>
740 * </ul> 740 * </ul>
741 */ 741 */
742 public void removeTextChangeListener(TextChangeListener listener){ 742 public void removeTextChangeListener(TextChangeListener listener){
889 lines[i - numOldLines] = lines[i]; 889 lines[i - numOldLines] = lines[i];
890 } 890 }
891 lineCount_ -= numOldLines; 891 lineCount_ -= numOldLines;
892 gapLine = getLineAtPhysicalOffset(gapStart); 892 gapLine = getLineAtPhysicalOffset(gapStart);
893 } 893 }
894 } 894
895 /++
896 + DWT extension
897 +/
898 int utf8AdjustOffset( int offset ){
899 if (textStore is null)
900 return offset;
901 if (offset is 0)
902 return offset;
903 if( offset >= textStore.length ){
904 return offset;
905 }
906 if (!gapExists() || (offset < gapStart)){
907 while( textStore[offset] & 0xC0 is 0x80 ){
908 offset--;
909 }
910 return offset;
911 }
912 int gapLength= gapEnd - gapStart;
913 if( offset+gapLength >= textStore.length ){
914 return offset;
915 }
916 while( textStore[offset+gapLength] & 0xC0 is 0x80 ){
917 offset--;
918 }
919 return offset;
920 }
921
922
923 }